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Megaloblastic anaemia is caused by the deficiency of which vitamin?
Question

Megaloblastic anaemia is caused by the deficiency of which vitamin?

A.

Vitamin-B9\text{Vitamin-B}_9​​

B.

Vitamin-A

C.

Vitamin-C

D.

Vitamin-B2\text{Vitamin-B}_2​​

Correct option is A

The correct answer is: (A) Vitamin-B9 (Folate)

Information Booster:

  • Megaloblastic anemia is primarily caused by a deficiency in Vitamin B9 (Folate) or Vitamin B12.
  • A deficiency in these vitamins affects DNA synthesis in red blood cells, leading to the production of larger-than-normal red blood cells (megaloblasts), causing anemia.

Here’s a list of vitamins, their scientific names, and the diseases caused by their deficiencies:

Vitamin
Scientific Name
Deficiency Disease
Vitamin A
Retinol
Night blindness (Nyctalopia)
Vitamin B1
Thiamine
Beriberi
Vitamin B2
Riboflavin
Ariboflavinosis
Vitamin B3
Niacin
Pellagra
Vitamin B5
Pantothenic acid
Burning feet syndrome
Vitamin B6
Pyridoxine
Neuropathy
Vitamin B7
Biotin
Dermatitis, hair loss
Vitamin B9
Folate
Megaloblastic anemia
Vitamin B12
Cobalamin
Pernicious anemia
Vitamin C
Ascorbic acid
Scurvy
Vitamin D
Cholecalciferol
Rickets (in children) / Osteomalacia
Vitamin E
Tocopherol
Neuropathy, muscle weakness
Vitamin K
Phylloquinone
Hemophilia, increased bleeding

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